Announcing Rust 1.18

Version 1.18 of the Rust programming language has been released."One of the largest changes is a long time coming: core team membersCarol Nichols and Steve Klabnik have been writing a new edition of "TheRust Programming Language", the official book about Rust. It's being written openly on GitHub, andhas over a hundred contributors in total. This release includes the first draft ofthe second edition in our online documentation. 19 out of 20 chaptershave a draft; the draft of chapter 20 will land in Rust 1.19."